The point at which a child becomes an adolescent is defined by the onset of puberty or by the beginning of the teenage stage. Adolescence is also viewed as ending with the teenage stage. However, in some individuals (particularly females), puberty begins in the preadolescence years.
Grundy County, Illinois. Grundy County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,063. Its county seat is Morris. Grundy County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.
Tazewell County, IL has a population of 135,697 people with a median age of 40.5 and a median household income of $58,194. Between 2014 and 2015 the population of Tazewell County, IL declined from 135,872 to 135,697, a -0.13% decrease and its median household income grew from $57,052 to $58,194, a 2% increase. The population of Tazewell County, IL is 94.3% White, 2.17% Hispanic, and 1.22% Two+.